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From: "Kővágó, Zoltán" <dirty.ice.hu@gmail.com>
To: qemu-devel@nongnu.org
Cc: Gerd Hoffmann <kraxel@redhat.com>
Subject: [Qemu-devel] [PATCH 05/25] noaudio: port to the new audio backend api
Date: Sun, 25 Aug 2019 20:46:07 +0200
Message-ID: <723371f5ccd5a2a58fc1fa9a375d6c508bebcc19.1566755452.git.DirtY.iCE.hu@gmail.com> (raw)
In-Reply-To: <cover.1566755452.git.DirtY.iCE.hu@gmail.com>

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
---
 audio/noaudio.c | 39 +++++++++++++++------------------------
 1 file changed, 15 insertions(+), 24 deletions(-)

diff --git a/audio/noaudio.c b/audio/noaudio.c
index 0fb2629cf2..b054fd225b 100644
--- a/audio/noaudio.c
+++ b/audio/noaudio.c
@@ -41,10 +41,9 @@ typedef struct NoVoiceIn {
     int64_t old_ticks;
 } NoVoiceIn;
 
-static size_t no_run_out(HWVoiceOut *hw, size_t live)
+static size_t no_write(HWVoiceOut *hw, void *buf, size_t len)
 {
     NoVoiceOut *no = (NoVoiceOut *) hw;
-    size_t decr, samples;
     int64_t now;
     int64_t ticks;
     int64_t bytes;
@@ -52,13 +51,9 @@ static size_t no_run_out(HWVoiceOut *hw, size_t live)
     now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     ticks = now - no->old_ticks;
     bytes = muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
-    bytes = MIN(bytes, SIZE_MAX);
-    samples = bytes >> hw->info.shift;
 
     no->old_ticks = now;
-    decr = MIN (live, samples);
-    hw->rpos = (hw->rpos + decr) % hw->samples;
-    return decr;
+    return MIN(len, bytes);
 }
 
 static int no_init_out(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque)
@@ -92,25 +87,21 @@ static void no_fini_in (HWVoiceIn *hw)
     (void) hw;
 }
 
-static size_t no_run_in(HWVoiceIn *hw)
+static size_t no_read(HWVoiceIn *hw, void *buf, size_t size)
 {
+    size_t to_clear;
     NoVoiceIn *no = (NoVoiceIn *) hw;
-    size_t live = audio_pcm_hw_get_live_in(hw);
-    size_t dead = hw->samples - live;
-    size_t samples = 0;
 
-    if (dead) {
-        int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-        int64_t ticks = now - no->old_ticks;
-        int64_t bytes =
-            muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
+    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+    int64_t ticks = now - no->old_ticks;
+    int64_t bytes =
+        muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
 
-        no->old_ticks = now;
-        bytes = MIN (bytes, SIZE_MAX);
-        samples = bytes >> hw->info.shift;
-        samples = MIN (samples, dead);
-    }
-    return samples;
+    no->old_ticks = now;
+    to_clear = MIN(bytes, size);
+
+    audio_pcm_info_clear_buf(&hw->info, buf, to_clear >> hw->info.shift);
+    return to_clear;
 }
 
 static int no_ctl_in (HWVoiceIn *hw, int cmd, ...)
@@ -133,12 +124,12 @@ static void no_audio_fini (void *opaque)
 static struct audio_pcm_ops no_pcm_ops = {
     .init_out = no_init_out,
     .fini_out = no_fini_out,
-    .run_out  = no_run_out,
+    .write    = no_write,
     .ctl_out  = no_ctl_out,
 
     .init_in  = no_init_in,
     .fini_in  = no_fini_in,
-    .run_in   = no_run_in,
+    .read     = no_read,
     .ctl_in   = no_ctl_in
 };
 
-- 
2.22.0



  parent reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-25 18:46 [Qemu-devel] [PATCH 00/25] Audio: Mixeng-free 5.1/7.1 audio support Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 01/25] audio: api for mixeng code free backends Kővágó, Zoltán
2019-08-27  5:43   ` Gerd Hoffmann
2019-08-25 18:46 ` [Qemu-devel] [PATCH 02/25] alsaaudio: port to the new audio backend api Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 03/25] coreaudio: " Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 04/25] dsoundaudio: " Kővágó, Zoltán
2019-08-25 18:46 ` Kővágó, Zoltán [this message]
2019-08-25 18:46 ` [Qemu-devel] [PATCH 06/25] ossaudio: " Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 07/25] paaudio: " Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 08/25] sdlaudio: " Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 10/25] wavaudio: " Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 11/25] audio: remove remains of the old " Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 12/25] audio: unify input and output mixeng buffer management Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 13/25] audio: remove hw->samples, buffer_size_in/out pcm_ops Kővágó, Zoltán
2019-08-27  5:48   ` Gerd Hoffmann
2019-08-25 18:46 ` [Qemu-devel] [PATCH 14/25] audio: common rate control code for timer based outputs Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 15/25] audio: split ctl_* functions into enable_* and volume_* Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 16/25] audio: add mixeng option (documentation) Kővágó, Zoltán
2019-08-26 13:35   ` Eric Blake
2019-08-26 20:04     ` Zoltán Kővágó
2019-08-25 18:46 ` [Qemu-devel] [PATCH 17/25] audio: make mixeng optional Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 19/25] audio: support more than two channels in volume setting Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 20/25] audio: replace shift in audio_pcm_info with bytes_per_frame Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 21/25] audio: basic support for multichannel audio Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 22/25] paaudio: channel-map option Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 23/25] usb-audio: do not count on avail bytes actually available Kővágó, Zoltán
2019-08-25 18:46 ` [Qemu-devel] [PATCH 25/25] usbaudio: change playback counters to 64 bit Kővágó, Zoltán

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